void TransitionToWorldPointStage::Update(float dt)
{
if(m_jumpIfFar && ShouldJumpTo(m_endTransitionInterestPointEcef))
{
m_transitionTime = m_transitionDuration;
// Calling SetView here instead of just doing an early-out so that anything that depends on the camera's position will work
// (such as mapscene startup searches) [MPLY-8855]
Eegeo::v3 endHeadingVector = ComputeHeadingVector(m_endTransitionInterestPointEcef, m_endInterestHeading);
Eegeo::Space::EcefTangentBasis newInterestBasis(m_endTransitionInterestPointEcef, endHeadingVector);
m_gpsGlobeCameraController.SetView(newInterestBasis, m_endInterestDistance);
return;
}
m_transitionTime += dt;
float transitionParam = Eegeo::Math::SmoothStep(0.f, 1.f, m_transitionTime / m_transitionDuration);
float interpolatedDistance = Eegeo::Math::Lerp(m_startInterestDistance, m_endInterestDistance, transitionParam);
Eegeo::dv3 interpolatedInterestPosition = Eegeo::dv3::Lerp(m_startTransitionInterestPointEcef, m_endTransitionInterestPointEcef, transitionParam);
float currentAssumedAltitude = 0;
m_terrainHeightProvider.TryGetHeight(interpolatedInterestPosition, 0, currentAssumedAltitude);
if(interpolatedInterestPosition.Length() < Eegeo::Space::EarthConstants::Radius + currentAssumedAltitude)
{
interpolatedInterestPosition = interpolatedInterestPosition.Norm() * (Eegeo::Space::EarthConstants::Radius + currentAssumedAltitude);
}
float interpolatedHeading = Eegeo::Math::Lerp<float>(m_startInterestHeading, m_endInterestHeading, transitionParam);
Eegeo::v3 interpolatedHeadingVector = ComputeHeadingVector(interpolatedInterestPosition, interpolatedHeading);
Eegeo::Space::EcefTangentBasis newInterestBasis(interpolatedInterestPosition, interpolatedHeadingVector);
m_gpsGlobeCameraController.SetView(newInterestBasis, interpolatedDistance);
}
void CameraTransitioner::Update(float dt)
{
if(!IsTransitioning())
{
return;
}
m_transitionTime += dt;
double transitionParam = Eegeo::Math::SmoothStep(0.0, 1.0, m_transitionTime / m_transitionDuration);
float interpolatedDistance = Eegeo::Math::Lerp(m_startInterestDistance, m_endInterestDistance, transitionParam);
Eegeo::dv3 interpolatedInterestPosition = Eegeo::dv3::Lerp(m_startTransitionInterestPoint, m_endTransitionInterestPoint, transitionParam);
if(interpolatedInterestPosition.LengthSq() < Eegeo::Space::EarthConstants::RadiusSquared)
{
interpolatedInterestPosition = interpolatedInterestPosition.Norm() * Eegeo::Space::EarthConstants::Radius;
}
float interpolatedHeading = ((1-transitionParam) * m_startTransitionHeading) + (transitionParam * m_endTransitionHeading);
Eegeo::v3 interpolatedHeadingVector = ComputeHeadingVector(interpolatedInterestPosition, interpolatedHeading);
Eegeo::Space::EcefTangentBasis newInterestBasis(interpolatedInterestPosition, interpolatedHeadingVector);
m_cameraController.SetView(newInterestBasis, interpolatedDistance);
if(transitionParam >= 1.f)
{
StopCurrentTransition();
}
}
void CameraTransitionController::Update(float dt)
{
if(!IsTransitioning())
{
return;
}
m_transitionTime += dt;
float transitionParam = Eegeo::Math::SmoothStep(0.f, 1.f, m_transitionTime / m_transitionDuration);
float interpolatedDistance = Eegeo::Math::Lerp(m_startInterestDistance, m_endInterestDistance, transitionParam);
Eegeo::dv3 interpolatedInterestPosition = Eegeo::dv3::Lerp(m_startTransitionInterestPointEcef, m_endTransitionInterestPointEcef, transitionParam);
float currentAssumedAltitude = 0;
m_terrainHeightProvider.TryGetHeight(interpolatedInterestPosition, 0, currentAssumedAltitude);
if(interpolatedInterestPosition.Length() < Eegeo::Space::EarthConstants::Radius + currentAssumedAltitude)
{
interpolatedInterestPosition = interpolatedInterestPosition.Norm() * (Eegeo::Space::EarthConstants::Radius + currentAssumedAltitude);
}
float interpolatedHeading = Eegeo::Math::Lerp<float>(m_startInterestHeading, m_endInterestHeading, transitionParam);
Eegeo::v3 interpolatedHeadingVector = ComputeHeadingVector(interpolatedInterestPosition, interpolatedHeading);
Eegeo::Space::EcefTangentBasis newInterestBasis(interpolatedInterestPosition, interpolatedHeadingVector);
m_cameraController.SetView(newInterestBasis, interpolatedDistance);
if(transitionParam >= 1.f)
{
StopCurrentTransition();
}
}
